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YS/T 1032-2015 English PDF

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YS/T 1032-2015: Inspection method of the interior defects for cathode carbon block for aluminium electrolysis
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PDF similar to YS/T 1032-2015


Standard similar to YS/T 1032-2015

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Basic data

Standard ID YS/T 1032-2015 (YS/T1032-2015)
Description (Translated English) Inspection method of the interior defects for cathode carbon block for aluminium electrolysis
Sector / Industry Nonferrous Metallurgy Industry Standard (Recommended)
Classification of Chinese Standard Q52
Classification of International Standard 71.100.10
Word Count Estimation 5,584
Date of Issue 2015-04-30
Date of Implementation 2015-10-01
Quoted Standard GB/T 9445; GB/T 12604.1; GB/T 18694; GB/T 18852
Regulation (derived from) Ministry of Industry and Information Technology Announcement (2015 No. 28)
Issuing agency(ies) Ministry of Industry and Information Technology
Summary This Standard specifies the method of contacting ultrasonic pulse was detected cathode blocks internal cracks and holes and other defects. This Standard applies to aluminum electrolytic cathode carbon block, carbon products may refer to other uses.

YS/T 1032-2015: Inspection method of the interior defects for cathode carbon block for aluminium electrolysis


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(Aluminum electrolytic cathode carbon block internal defect inspection method) ICS 71.100.10 Q52 People's Republic of China Nonferrous Metals Industry Standard Aluminum electrolytic cathode carbon block internal defect inspection method Issued on. 2015-04-30 2015-10-01 implementation Ministry of Industry and Information Technology of the People's Republic of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) and focal points. This standard is drafted by. Aluminum Corporation of China Zhengzhou Research Institute, Technical and Economic Research Institute of Nonferrous Metals. Participated in the drafting of this standard. Zhengzhou Haoyu Carbon Materials Co., Ltd., Shanxi Jinyang Carbon Co., Ltd., Yunnan Aluminum shares have Limited, Ningxia Ning Ping Carbon Co., Ltd., Beijing Science and Technology Co., Ltd. British Spike. The main drafters of this standard. warehouse Xiang-Hui, Zhang North Korea, Xi Zhao Yang, Li Jiaying, Chen Hong, CHEN Xiao-jun, Li Zhongwen, Li Rong column, Li Ruiling. Aluminum electrolytic cathode carbon block internal defect inspection method

1 Scope

This standard specifies the method of contacting ultrasonic pulse was detected cathode blocks internal cracks and holes and other defects. This standard applies to aluminum electrolytic cathode carbon block, carbon products may refer to other uses.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 9445 NDT personnel qualification and certification GB/T 12604.1 Terminology for nondestructive testing Ultrasonic testing Characterization of GB/T 18694 NDT Ultrasonic inspection and sound field Reference blocks and test methods GB/T 18852 Non-destructive testing - Ultrasonic examination measuring touch probe beam characteristics

3 Terms and Definitions

GB/T 12604.1 defined and the following terms and definitions apply to this document. 3.1 Sound when flight-time Time of sample required ultrasound through. According to their size can be determined whether there are defects. 3.2 The first wave of first-wave Ultrasonic flaw detector receiving the first wave waveform. Depending on the shape and amplitude of the waveform can determine whether defective. 3.3 Amplitude amplitude The size of the waveform change ultrasonic testing samples produced, usually the amount of attenuation to represent.

4 principle of the method

The use of non-metal detectors produce low-frequency pulses through the probe (wafer) electro-acoustic converting incoming sound waves propagate inside the specimen sonic Encountered acoustic impedance dissimilar (eg defects) interface, the reflected sound waves will occur. By the probe acoustic energy into electrical impulses displayed on the oscilloscope screen, root According to the sample and the speed of sound wave type, to judge internal defects specimen.

5 device

5.1 ultrasonic flaw detector Technical indicators 5.1.1 flaw detector test shall comply with the relevant testing technical conditions, flaw detector test should be conducted regularly. 5.1.2 ultrasonic detector operating frequency should not exceed 2.0MHz; cathode blocks for the operating frequency of testing is generally not more than 1.0MHz.

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